Plenary Lecture

The Analysis of SC Macrodiversity Receiver with Several Microdiversity Receivers in the Presence of Gamma Shadowed Multipath Fading

Dr Dragana Krstic
Faculty of Electronic Engineering
University of Nis

Abstract: In wireless communication systems, a received signal may suffer short-term fading and long-term fading or shadowing. The simultaneous use of both microdiversity and macrodiversity is essential to mitigate channel degradations in composite fading environments. The wireless communication system consisting of macrodiversity receiver and two or more microdiversity receivers in the presence of shadowing and multipath fading will be considered. The most often macrodiversity receiver is of selection combining (SC) type, and microdiversity receivers could be: selection combining, equal gain combining (EGC) or maximal ratio combining (MRC) receivers. Each of microdiversity receivers has usually two or three branches. Probability density function (PDF), cumulative distribution function (CDF), moments and average level crossing rate (LCR) of macrodiversity receiver output signal envelope will be calculated. The obtained expressions converge for any values of Gamma long term fading parameters and short term fading parameters. Numerical results will be presented graphically to illustrate the proposed analytical presentation and to point out the effects of system’s parameters on the observed characteristics.

Brief Biography of the Speaker: Dragana S. Krstic was born in Pirot, Serbia. She received the BSc, MSc and PhD degrees in electrical engineering from Department of Telecommunications, Faculty of Electronic Engineering, University of Nis, Serbia, in 1990, 1998 and 2006, respectively. Her field of interest includes telecommunications theory, optical, wireless, mobile and satellite communication systems, etc. She works at the Faculty of Electronic Engineering in Nis since 1990. She participated in more Projects which are supported by Serbian Ministry of Science. She has written or co-authored about 220 scientific research papers, published in Journals and at the International/National Conferences. She has reviewed many articles in IEEE Transactions on Communications; IEEE Communications Letters; ETRI journal; C&EE Journal; Elektronika ir Elektrotechnika and other well known journals. She is also the reviewer of the papers for hundreds conferences and the member of technical program committees and international scientific committees of more than 50 scientific conferences. Also, she is Associated Editor or member of Editorial Board of several journals: International WSEAS Transactions on Communications, International Journal of Communications, Journal on Advances in Telecommunications, International Journal of Communications (IARAS).

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